Error bars illustrate the margin of error for a survey estimate by showing how precise that estimate is. Here are some answers to common questions that might help you better understand charts with ...

Can the users of financial statements and annual reports rely upon the charts in them for accuracy? A sample of 50 public ...

This is an opinionated essay about good and bad practices in data visualization. Examples and explanations are below. The Scripts/ directory contains .Rmd files that generate the graphics shown below.

Are all or some menu options greyed out in Excel for you? Some Office users have reported that certain or many menus are grayed out in their Excel sheets. Whenever they try to click on such menus, the ...

Editor's note: It's time to look back at the top Houston news of the week, beginning with top marks for local high schools and colleges. Plus, a top Houston chef shares his best burger tips. Get the ...